Maven · repo1.maven.org

com.flowingcode.vaadin:json-migration-helper

Java Dynamic Classload: URLClassLoader / defineClass — runs attacker-provided bytecode.

Why PkgRadar flagged 0.9.4

Severity	Signal	Evidence
medium	Java Dynamic Classload	URLClassLoader / defineClass — runs attacker-provided bytecode. · com/flowingcode/vaadin/jsonmigration/ClassInstrumentationUtil.java

Scanned versions

Version	Verdict	Score	Scanned (UTC)
`0.9.4`	Review	40	2026-06-11

Block this in CI

PkgRadar gates com.flowingcode.vaadin:json-migration-helper (and every other dependency) before it merges. One line in your pipeline:

pkgradar gate --ecosystem maven com.flowingcode.vaadin:[email protected]